1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.kernel.servlet;
24  
25  import com.liferay.portal.kernel.log.Log;
26  import com.liferay.portal.kernel.log.LogFactoryUtil;
27  
28  import javax.servlet.ServletConfig;
29  import javax.servlet.http.HttpServlet;
30  
31  /**
32   * <a href="PortalDelegateServlet.java.html"><b><i>View Source</i></b></a>
33   *
34   * <p>
35   * See http://support.liferay.com/browse/LEP-2297.
36   * </p>
37   *
38   * @author Olaf Fricke
39   * @author Brian Wing Shun Chan
40   */
41  public class PortalDelegateServlet extends HttpServlet {
42  
43      public void init(ServletConfig servletConfig) {
44          String servletClass = servletConfig.getInitParameter("servlet-class");
45  
46          _subContext = servletConfig.getInitParameter("sub-context");
47  
48          if (_subContext == null) {
49              _subContext = getServletName();
50          }
51  
52          try {
53              Thread currentThread = Thread.currentThread();
54  
55              ClassLoader contextClassLoader =
56                  currentThread.getContextClassLoader();
57  
58              HttpServlet servlet = (HttpServlet)contextClassLoader.loadClass(
59                  servletClass).newInstance();
60  
61              servlet.init(servletConfig);
62  
63              PortalDelegatorServlet.addDelegate(_subContext, servlet);
64          }
65          catch (Exception e) {
66              _log.error(e, e);
67          }
68      }
69  
70      public void destroy() {
71          PortalDelegatorServlet.removeDelegate(_subContext);
72      }
73  
74      private static Log _log =
75          LogFactoryUtil.getLog(PortalDelegateServlet.class);
76  
77      private String _subContext;
78  
79  }